body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background-color: white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    border-radius: 8px;
}

h1 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
}
.link-style {
    text-decoration: none;
    color: #007bff;
    padding: 5px 10px;
    border-radius: 3px;
    transition: background-color 0.3s;
}

.link-style:hover {
    background-color: #0056b3;
    color: #fff;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

table, th, td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: center;
}

th {
    background-color: #f2f2f2;
    color: #333;
}

tr:nth-child(even) {
    background-color: #f9f9f9;
}

tr:hover {
    background-color: #f1f1f1;
}

.empty-message {
    text-align: center;
    margin-top: 20px;
    font-size: 18px;
    color: #999;
}

.empty-message img {
    max-width: 200px;
    margin: 10px auto;
    display: block;
}